112212660 has 144 divisors (see below), whose sum is σ = 371081088. Its totient is φ = 24810240.

The previous prime is 112212647. The next prime is 112212697. The reversal of 112212660 is 66212211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1580425 + ... + 1580495.

It is an arithmetic number, because the mean of its divisors is an integer number (2576952).

Almost surely, 2^112212660 is an apocalyptic number.

112212660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112212660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185540544).

112212660 is an abundant number, since it is smaller than the sum of its proper divisors (258868428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112212660 is a wasteful number, since it uses less digits than its factorization.

112212660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 112212660 is about 10593.0477200851. The cubic root of 112212660 is about 482.3333437874. Note that the first 4 decimals are identical.

Adding to 112212660 its reverse (66212211), we get a palindrome (178424871).

The spelling of 112212660 in words is "one hundred twelve million, two hundred twelve thousand, six hundred sixty".